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Finding the Third Proportional to 85,416,936 and 132,371,772

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Solution

The third proportional to 85,416,936 and 132,371,772 is: 205,138,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,416,936 : 132,371,772 = 132,371,772 : x
  2. Step 2: Convert to fraction form
    85,416,936/132,371,772 = 132,371,772/x
  3. Step 3: Cross multiply
    85,416,936x = 132,371,772 × 132,371,772
  4. Step 4: Simplify right side
    85,416,936x = 17,522,286,022,419,984
  5. Step 5: Solve for x
    x = 17,522,286,022,419,984/85,416,936
  6. Step 6: Final answer
    x = 205,138,311.48

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.